Agilent 58503A Specs:

Agilent HP 58503A. GPS Time/Frequency Reference

The 58503A GPS receiver was designed to meet the timing and frequency standard needs of these users without investing in a primary frequency standard. It generates precise 10MHz and 1pps signals using HP's proprietary SmartClockTM technology utilizing a precision quartz oscillator and incorporates an RS232 port for monitoring and control.

Features:

* 10MHz Output

* Frequency accuracy better than 1 x 10E-12 for a one day average 0 - 50 C